Finding the Fourth Proportional to 1,845,324.36, 2,546,489.88 and 1,081,886.40
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Solution
The fourth proportional to 1,845,324.36, 2,546,489.88 and 1,081,886.40 is: 1,492,969.38
Step by Step Solution
- Step 1: Write the proportion equation
1,845,324.36 : 2,546,489.88 = 1,081,886.40 : x - Step 2: Convert to fraction form
1,845,324.36/2,546,489.88 = 1,081,886.40/x - Step 3: Cross multiply
1,845,324.36x = 2,546,489.88 × 1,081,886.40 - Step 4: Simplify right side
1,845,324.36x = 2,755,012,768,909.63 - Step 5: Solve for x
x = 2,755,012,768,909.63/1,845,324.36 - Step 6: Final answer
x = 1,492,969.38
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.